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12065143 is a prime number
BaseRepresentation
bin101110000001…
…100101110111
3211200222021011
4232001211313
511042041033
61110333051
7204360226
oct56014567
924628234
1012065143
1168a07a2
12405a187
13266584c
141860cbd
1510d4ccd
hexb81977

12065143 has 2 divisors, whose sum is σ = 12065144. Its totient is φ = 12065142.

The previous prime is 12065113. The next prime is 12065147. The reversal of 12065143 is 34156021.

It is a strong prime.

It is an emirp because it is prime and its reverse (34156021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12065143 is a prime.

It is a super-2 number, since 2×120651432 = 291135351220898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12065147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6032571 + 6032572.

It is an arithmetic number, because the mean of its divisors is an integer number (6032572).

Almost surely, 212065143 is an apocalyptic number.

12065143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065143 is an equidigital number, since it uses as much as digits as its factorization.

12065143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12065143 is about 3473.4914711282. The cubic root of 12065143 is about 229.3563795589.

The spelling of 12065143 in words is "twelve million, sixty-five thousand, one hundred forty-three".